Microsoft Lync Online for Enterprises

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Microsoft Lync™ Online for Enterprises

Service Description

Published: June 28, 2011

Updated: July 29, 2011

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Introduction

Microsoft Lync Online is a next-generation cloud communications service that connects people in new ways, anytime, from virtually anywhere. Lync Online provides intuitive communications capabilities across presence, instant messaging, audio/video calling and a rich online meeting experience including PC-audio, video and web conferencing. Transform your interactions with colleagues, customers and partners from today’s hit-and-miss communication to a more collaborative, engaging, and effective experience. Organizations can purchase Lync Online as a standalone service from Microsoft Office 365 or as part of an Office 365 for enterprises suite that includes Lync Online, Microsoft Exchange Online, Microsoft

SharePoint® Online, Microsoft Office Professional Plus, and Microsoft Office Web Apps. Note

Not all Office 365 subscription plans include the services mentioned above.

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Features of Microsoft Office 365

Lync Online is one of several cloud services offered by Microsoft Office 365 for enterprises. These Internet-based services are designed to help meet the need for robust security, 24/7 reliability, and user productivity.

Each service is designed for reliability, availability, and performance with a financially backed service level agreement (SLA) for a guaranteed 99.9-percent scheduled uptime. Microsoft deploys patches, security updates, and back-end upgrades, helping to eliminate the time and effort organizations spend managing their servers.

Subscribers to Lync Online benefit from a set of features that are common to all of the Microsoft business-class cloud services:

 Secure access: Each offering from Microsoft Office 365 is accessed through 128-bit Secure Sockets Layer (SSL) or Transport Layer Security (TLS) encryption. Anyone who intercepts a communication sees only encrypted text.

 Intrusion monitoring: Microsoft continuously monitors the Office 365 systems for any unusual or suspicious activity. If Microsoft detects such activity, it investigates and responds appropriately. In the unlikely event that a significant incident occurs, the customer is notified.

 Security audits: Microsoft regularly assesses the Office 365 infrastructure to ensure that the latest antivirus signatures and required security updates are installed, and that high-level configuration settings are in compliance with Microsoft security policies. For details, refer to the Security and Service Continuity for Enterprises Service Description.

 High availability: Microsoft Office 365 services have a 99.9-percent scheduled uptime. If a customer’s service is affected, Office 365 offers financial remedies subject to the terms and conditions of the SLA. For details, refer to the Service Level Agreement for Microsoft Online Services.

 Service continuity: Redundant network architecture is hosted at geographically dispersed Microsoft data centers to handle unscheduled service outages. Data centers act as backups for each other: If one fails, the affected customers are transferred to another data center with limited interruption of service.

 Microsoft Online Services Portal: This easy-to-use website is the center for activities related to Microsoft Office 365. The portal provides services based on each organization’s specific needs. Prospective subscribers can use the portal to sign up for a free trial. End users accessing the portal can find online help, open Microsoft SharePoint site collections, and launch Microsoft Outlook®_{Web App. Administrators can manage users, administer services, download tools, and}

learn about service administration from online help.

 Directory Synchronization tool: For subscribers with Active Directory® directory services deployed on-premises, this tool helps keep the on-premises Active Directory and the Microsoft Office 365 directory synchronized.

 Remote administration: With Microsoft Windows PowerShell™, administrators can perform many tasks using a script or automated process. For example, tasks such as creating users, resetting passwords, assigning licenses, and obtaining service-use data can be fully automated.

Office Desktop Setup

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updates are required for all workstations that use rich clients (such as Microsoft Office 2010) and connect to Microsoft Office 365.

Office desktop setup provides multiple benefits, including:  Automatically detecting necessary updates

 Installing updates and components upon approval or silently from a command line  Automatically configuring Outlook and Microsoft Lync for use with Microsoft Office 365  Uninstalling itself from the client computer after running

A list of these update requirements are available for companies that want to use an alternative method of deploying the updates. See the help topic Manually update and configure desktops for Office 365 for details.

Note

Office desktop setup is not an authentication or sign-in service and should not be confused with single sign-on.

Federated Identity and Single Sign-On

With on-premises Active Directory, administrators can use a single sign-on approach to Office 365 authentication. To achievethis, administrators can configure on-premises Active Directory federation Services—a Microsoft Windows Server®_{2008 service—to federate with the Microsoft Federation Gateway.}

After Active Directory Federation Services is configured, all Office 365 users whose identities are based on the federated domain can use their existing corporate logon to automatically authenticateto Office 365.

Operating System and Software Requirements

Table 1 shows the operating system and browser combinations that are required to access Microsoft Office 365.

Table 1: Operating systems and browser combinations supported by Microsoft Office 365

Operating system Supported browers

Windows 7 (32-bit)

 Windows Internet Explorer 8 and later versions

 Firefox 3 and later versions

 Chrome 6 and later versions

Windows 7 (64-bit)

 Internet Explorer 8 and later versions

Windows Vista with Service Pack 2 (32-bit)

Windows Vista with Service Pack 2 (64-bit)

 Internet Explorer 8

 Firefox 5

Windows XP with Service Pack 3 (32-bit)

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Operating system Supported browers

Windows XP with Service Pack 2 (64 -bit)

 Firefox 5

Windows Server 2008 and Windows Server 2008 R2

 Chrome 6 and later versions Mac OS X 10.5 or Mac OS X 10.6  Firefox 3 and later versions

 Safari 4 and later versions

Table 2 identifies other software required for using Office 365 services. Table 2: Software supported by Microsoft Office 365

Software Supported Version

System software  Microsoft .NET Framework 3.0 (for Windows XP)

 Java client 1.4.2 (for Macintosh OS X)*

Office clients  Microsoft Office 2010 or Office 2007 Service Pack 2

 Office 2008 for Mac and Microsoft Entourage®_{2008 Web Services Edition}  Office 2011 for Mac and Outlook 2011 for Mac

 Microsoft Lync 2010 client

 .NET Framework 2.0 or later Client applications Office desktop set up

Browser software for Microsoft Online Services Portal

 Internet Explorer 7 or later

 Mozilla Firefox 3.x

 Apple Safari 3.x Browser software for

Outlook Web App

 Internet Explorer 7 or later

 Firefox 3 or later

 Safari 3 or later on Macintosh OS X 10.5

Outlook Web App also has a "light" version that supports a reduced set of features across almost any browser

International Availability

Office 365 is available in Austria, Belgium, Canada, Colombia, Costa Rica, Cyprus, Czech Republic, Denmark, Finland, France, Germany, Greece, Hong Kong, Hungary, India, Ireland, Israel, Italy, Japan, Luxembourg, Malaysia, Mexico, Netherlands, New Zealand, Norway, Peru, Poland, Portugal, Puerto Rico, Romania, Singapore, Spain, Sweden, Switzerland, Trinidad and Tobago, United Kingdom, and United States.

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Data Center Locations

Microsoft Office 365 maintains primary and backup data centers distributed around the world. When a company signs up for a Microsoft Office 365 service, its hosted environment is automatically provisioned in the appropriate data center based on the company’s address. All users for the company are hosted from the same data center.

Localization

Table 3 summarizes the languages supported the Microsoft Office 365 platform and related components. Table 3: Supported languages for components related to Microsoft Office 365

Component Supported languages

Microsoft Online Services Portal Brazilian Portuguese, Chinese Traditional, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian1_{, Japanese,}

Norwegian (Bokmal), Polish, Romanian, Spanish, Swedish Help content—for end users and IT

professionals

Brazilian Portuguese, Chinese Traditional, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Norwegian (Bokmal), Polish, Romanian, Spanish, Swedish

Directory Synchronization Tool Brazilian Portuguese, Chinese Traditional, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Norwegian (Bokmal), Polish, Romanian, Spanish, Swedish

Technical Support

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Lync Online Service Benefits

Lync Online is a next-generation, enterprise-grade communication solution that can improve business efficiencies, increase productivity, and provide cost savings.

Organizations can gain the following major benefits from using Lync Online:

 Know whether others are available to communicate. Repeatedly attempting to reach each other by phone or email is a common communication problem in today’s business world. Often the problem stems from workers who are physically separated by geography and time zones and who lack visibility into other people's availability or presence. Presence information is especially important when there is a need for a critical business discussion or a time-sensitive decision has to be made. Lync Online helps organizations increase individual productivity by adding presence, IM, and PC-to-PC audio and video calling to the business IT infrastructure.

 Presence and click-to-communicate from Microsoft Office Outlook. Collaborating with others can be challenging for workers whose jobs require constant use of business productivity

applications during the work day. Lync Online connects presence and real-time collaboration capabilities with the Microsoft Office Outlook messaging and collaboration client. This enables higher productivity by allowing workers to collaborate using the programs they’re already familiar with.

 Connect with people and be more productive through a rich and immersive online meeting experience. Online meetings enable users to connect wherever they are through PC-based audio, video, and web conferencing, both as scheduled meetings and spontaneous, ad hoc collaboration sessions. With Lync Online, users can collaborate, share information, and coordinate their efforts in real time, all within the context of an existing workflow. Lync Online supports an integrated conferencing experience, enabling users to join the same conference from the PC (via the Microsoft Lync 2010 client) or from a phone (requires a separate dial-in audio conferencing service from a qualified partner).

 Collaborate within SharePoint sites. Lync Online serves as the presence engine for SharePoint team sites and portals, providing presence and IM access from within Windows SharePoint Services and SharePoint Server sites. For example, users can enable the Members Web Part to see the presence of anyone associated with a SharePoint site, which allows information workers to spend more productive time in their business productivity applications.

 Communicate with other organizations running Lync. The federation feature of Lync Online establishes trusted relationships between an organization and one or more external

organizations. This allows users to see user presence and communicate using IM and PC-based audio and video across organizational boundaries.

 Communicate with Windows Live Messenger contacts. Lync Online enables your users to connect with Windows Live Messenger contacts using IM, audio and video calls directly from Lync.

Reduce costs. Lync Online facilitates rich and engaging communications across and outside an organization without expensive business travel or costly phone bills. The Lync Online service allows organizations to focus IT resources on developing value instead of running IT

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Lync Online Service Details

This section describes the features of the Lync Online service. Where applicable, service options are noted along with feature limits.

Microsoft Lync 2010 Client

To access and use the Lync Online service, end users require Microsoft Lync 2010, the desktop client for Lync Online. Currently, Lync 2010 is available to service subscribers at no additional charge as a

promotional offer. Organizations can find information on how to download the current version of Lync 2010 in the Office 365 Administration portal. See Appendix A for Lync 2010 system requirements.

Limit

Microsoft Office 365 does not support client deployment in a customer organization. Organizations should work with their IT partners if they need assistance deploying the Lync 2010 client to users. Two additional clients are available for external users for attending online meetings. See the Lync Web App Client and Lync Attendee Client sections for details.

Instant Messaging

Instant messaging (IM) is the ability to transfer text messages in real time over an Internet Protocol (IP) network such as the Internet or an organization's corporate network. IM text is encrypted for enhanced security.

Presence

Presence is the ability to detect another user’s availability. Using Lync 2010 and Lync Online, users can display their presence status—for example, Available, Away, Do Not Disturb, or Offline—to let others know their availability for consultation.

To easily monitor the presence information of another user, users can add other users to their contact list, and can organize and group these contacts in different ways (by department, for example). Users may also search their company’s address book to find other users—which means it is not necessary to add

someone to the contact list in order to detect presence or send an instant message. Limit

Users can add up to 250 contacts to their Lync contact list.

Presence with Office Outlook and Other Office Applications

Lync Online can embed presence with Microsoft Office 2007 or Office 2010. Users can instantly find and communicate with people from within Office Outlook. This connection occurs wherever the user sees a colored presence indicator that represents a person’s presence status. The user can then click the

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Presence with SharePoint Online

Lync Online embeds presence in SharePoint Online sites using the same presence indicator that is displayed in the Lync 2010 client. SharePoint users can view presence and initiate Lync communications functions (for example, send an instant message) directly from a SharePoint site, making collaboration easy and intuitive.

Limits

 Presence in SharePoint Online is available only for SharePoint users who have the Lync 2010 desktop client installed and properly configured.

 Lync Skill Search is not supported with Lync Online.

Presence with Exchange Online

Lync Online connects presence information with Exchange Online. This includes presence status updates based on Exchange calendar information, IM and presence in Outlook Web Apps, out-of-office messages in Lync 2010, and presence status and click-to-communicate in from Outlook.

Limit

Presence in Outlook is available only for users who have the Lync 2010 desktop client installed and properly configured.

Lync-to-Lync Audio and Video Calls

Using Lync 2010, Lync Online users can make 1-to-1 computer-based audio and video calls to other Lync users using a PC and a web camera. Conversation quality may vary depending on customer network performance. For the best experience, use a device that is optimized for Lync 2010.

For more details on "optimized for Lync” devices, see the TechNet page Phones and Devices Qualified for Microsoft Lync.

A Lync Online user can initiate Lync-to-Lync audio and video calls with another user in the same Lync Online organization (within or outside the corporate firewall) or with another Lync user in a Lync federated domain (as long as the two Lync domains are properly configured, supported, and permitted for

federation).

File Transfer

The Lync Online service provides peer-to-peer file transfer capability so users can transfer large files as part of a Lync session without using email and clogging mail boxes.

Limit

 File transfer is not supported across Lync federation.

Distribution Lists

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may be sent to individual members of a distribution list or the entire distribution list. Distribution lists can be expanded to see the individual members of such lists.

Limits

 Distribution list expansion is allowed only for distribution lists with 100 or fewer individual members (regardless of the members’ presence or sign-in status).

 Distribution lists with more than 100 members are allowed but these distribution lists may not be expanded to display individual members of the list.

 A distribution list counts as one contact against the 250 contact limit per user, regardless of the number of individual members within the distribution list.

Lync External Connectivity (Lync Federation)

Lync external connectivity (federation) enables a Lync Online user to connect with users in other organizations that use Lync Online as well as those that host their own Lync Server 2010 on premises. Federated contacts can see presence, communicate using IM and make Lync-to-Lync audio and video calls.

In addition to Lync-to-Lync federation, Lync Online users can also connect with their contacts from the Windows Live Messenger. All federated communications are encrypted between the IM systems using access proxy servers. Microsoft does not control encryption after messages are passed to the federated partner’s network (if the partner is federated with an on-premises Lync Server 2010 or third-party network).

Lync external connectivity requires the consent and proper configuration of both parties of the federation relationship. Once the federation is set up by the administrators of both sides, users in each company can see presence and communicate with users in the other company.

Table 4 describes the supported modalities across federated organizations. Table 4: Federation features by link type

Supported modalities IM and presence Lync-to-Lync audio and video

Lync Online tenants (other companies using Office 365and Lync Online)

Yes Yes

Lync Server 2010, OCS 2007 and OCS 2007 R2 (on-premises)

Yes Yes

Windows Live Messenger Yes Yes

Service administrators can control which domains are allowed to communicate with Lync Online users by using whitelists and blacklists.

Note

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Limit

 Federation requires DNS configurations by the customer and each federated partner

organization. Federated organizations are solely responsible for proper configuration of their environments to support federation.

 Federated connections are not covered by the SLAs provided as a part of Office 365 subscriptions.

 Federated connections are excluded from the service continuity management recovery time objectives (RTO) and recovery point objectives (RPO).

 File transfer is not available with federated connections.

IM Security

Microsoft has extensive experience in designing and operating a highly available instant messaging solution. One key component is the Intelligent Instant Message Filter (IIMF) built into Lync Online, which helps protect both the customer network and the Microsoft managed network against the spread of the most common viruses and spam.

Subscribers to Lync Online benefit from an IIMF design that is built upon years of operating scalable, global IM systems, which can help to protect users from malicious content and links transmitted using IM.

Online Meetings

Lync Online meetings enable users to connect from virtually anywhere through PC-based audio, video, and web conferencing—both as scheduled meetings and as ad-hoc collaboration sessions. With Lync Online, users can collaborate, share information, and work together in real time, all within context. Lync Online supports an integrated conferencing experience with a maximum meeting capacity of 250 users.

Lync Multiparty Audio

Lync Online provides for Lync-based, multiparty (three or more users) audio conferencing capabilities. Lync multiparty audio provides users with an adaptive audio codec for optimal performance under varying bandwidth conditions, visual call and roster controls, network quality indicator, and powerful user

management features (for example, drag and drop a participant name to add her to a meeting).

Interoperability with Third-Party Dial-in Audio Conferencing Services

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Limits

 The dial-in audio conferencing service requires a separate purchase of an audio conferencing service from a certified audio conferencing partner. An up-to-date list of approved audio conferencing partners for Lync Online is available on the Office 365 marketplace.

 Multiparty Lync audio and video capabilities may not be available in certain countries due to regulatory restrictions

Lync Multiparty Video

In addition to audio, Lync Online enables users to connect via high quality video sessions. Both person-to-person and multiparty (three or more users) sessions are supported. Active speaker video is only available for multiparty sessions. With Lync Online, users can easily schedule an online meeting with video or seamlessly escalate an IM session to a video call.

Limit

Lync Online does not support interoperability with third-party, room-based conferencing systems.

Content Sharing (Web Conferencing)

In addition to video and audio, Lync Online provides powerful PC-to-PC and multiparty data sharing capabilities including desktop sharing, application sharing, PowerPoint presentation (via uploading for more control), virtual whiteboard, annotations and polling tool.

Ad-hoc Meetings

Users can start or join an ad-hoc Lync meeting easily with just a few clicks in Lync 2010—or right from Office applications. Lync Online enables users to escalate simple instant messaging conversations or email conversations to PC-based, multiparty audio and video meetings with shared desktops, applications, and documents.

Scheduled Meetings from Outlook

The Lync 2010 desktop client includes an Outlook plug-in that provides users with single-click scheduling of online meetings in Outlook. Participants can join with a single click from the Outlook reminder, or via the Outlook meeting itself. Organizers can easily set up meetings using predefined conference properties or can set meeting types and admission policies for specific needs. Details (such as meeting time, location, and attendees) follow the familiar Outlook template, and conference call-specific information (such as dial-in number and meeting passcode) are automatically populated (access phone numbers require third-party dial-in audio conferencing service).

Lync Web App Client

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For details on browser support, see Supported Platforms for Lync Web App. Limit

Lync Web App does not include PC-based audio and video.

Lync Attendee Client

The free Microsoft Lync 2010 Attendee client lets external or anonymous users join a scheduled online meeting with full fidelity PC-audio, video, and data sharing. This option extends the value of immersive online meetings to anyone outside the organization. Meeting attendees can install the client on their machines and join and participate in a Lync Online meeting, even if they are not a subscriber to Lync Online.

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Service Administration

The Microsoft Online Services Portal is a web portal that a customer’s online service administrator uses to manage the Microsoft Office 365 the company has subscribed to—including the Lync Online service. When signed in to this portal, the service administrator can perform actions related to service administration and Lync Online including:

 Enable or disable Lync Online

 Create users and assign licenses that enable use of Lync Online  File support tickets

 Access online help

Administrators can also manage Lync users' settings and policies:  Tenant level settings

o Lync federation settings

o Lync federation with Windows Live (at general availability of Lync Online)  User level settings

o Audio/video o File Transfer

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Interoperability

This section describes the Lync Online interoperability with servers that customers have may deployed on-premises or in a private cloud environment.

Lync Online and Lync Server

Lync Server 2010 provides all the functionality that is available with Lync Online. In addition, Lync Server includes Voice and PBX capabilities that enable organizations to replace or enhance traditional telephony solutions with the Lync next generation communications platform. Lync Server Voice and PBX functionality is available as part of the Office 365 Plan E4 suite.

Lync Server provides native interoperability with Exchange Online for presence integration and voice mail. For more information, see the TechNet article Lync Server 2010 Users Voice Mail on Hosted Exchange UM. Lync technology does not support coexistence between Lync Online and Lync Server using a single

domain. Therefore, it is not possible to deploy a subset of users in Lync Online and other users on-premises using a single domain name. Lync federation can be used to enable users to communicate between Lync Online and Lync on-premises deployments, using different domain names.

Limit

It is not possible to split Lync workloads (IM, online meetings and Voice/PBX) between the cloud and premises. For example, it is not possible to deploy IM and meetings in the cloud with voice on-premises for a single user.

Lync Online with Exchange Server

Lync Online supports presence interoperability with an on-premises deployment of Microsoft Exchange Server 2007 and Exchange Server 2010. The Lync Online service provides presence updates based on calendar information and out-of-office details that appear in Lync 2010.

Note

Lync 2010 will use the external web URLs defined for Exchange servers. For more information about Exchange server URLs, see the TechNet article Configure an External Host Name for Outlook Anywhere.

Lync Online and SharePoint Server

Lync Online interoperates with on-premises Microsoft SharePoint Server for presence and click-to-communicate in SharePoint sites. This interoperability requires the Lync 2010 client to run on the user’s desktop.

Limit

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Subscription Plans

Each authenticated user who accesses the Lync Online service must be assigned to a subscription plan. Lync Online offers two types of standalone plans: Lync Online (Plan 1), and Lync Online (Plan 2). Table 5 summarizes differences between the types of subscriptions.

Table 5: Overview of user subscriptions

Feature Lync Online

(Plan 1)

Lync Online (Plan 2)

Instant messaging (IM) and presence Yes Yes Lync-to-Lync audio/video calling (1-to-1) _Yes _Yes Lync federation (IM/presence/audio/video) Yes Yes Click-to-communicate in Office Yes Yes Authenticated attendee in Lync meetings* Yes Yes Microsoft Exchange ActiveSync® _Yes _Yes

Online Meetings No Yes (up to 250

attendees) Initiate ad-hoc and scheduled online meetings No Yes Initiate multiparty (3 or more users) Lync

audio/video sessions

No Yes

Initiate interactive data sharing (screen/application/whiteboard)

No Yes

Interop with third-party dial-in audio conferencing services

No Yes

Rights to Lync Server CALs Lync Standard CAL Lync Enterprise CAL Price ($/user/month) $2/user/month $6.5/user/month

*Unauthenticated attendees who join scheduled Lync meetings do not require a Lync Online license.

Office 365 Suite Subscription Plans

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Table 6: Office 365 subscription plans for information workers

Office 365 (Plan E1) Office 365 (Plan E2) Office 365 (Plan E3) Office 365 (Plan E4)

Exchange Online (Plan 1) Exchange Online (Plan 1) Exchange Online (Plan 2) Exchange Online (Plan 2) SharePoint Online (Plan 1) SharePoint Online (Plan 1) SharePoint Online (Plan 2) SharePoint Online (Plan 2) Lync Online (Plan 2) Lync Online (Plan 2) Lync Online (Plan 2) Lync Online (Plan 2)

Office Web Apps Office Web Apps Office Web Apps Office Professional Plus Office Professional Plus

Lync Voice & PBX (Lync Plus CAL for Lync Server)*

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Service Continuity Management

Lync Online is hosted in Microsoft-managed data centers that are designed to operate highly available online services. Lync Online provides a financially-backed Service Level Agreement (SLA) with a 99.9 percent uptime guarantee.

Hardware failures, natural disasters, and human error all have the potential to affect service availability. To address this, Lync Online offers service continuity management, a process for managing risks to ensure that the Lync Online infrastructure is capable of continuing service if unexpected events occur. Service continuity management for Lync Online includes provisions to quickly recover from these events.

Two metrics commonly used in service continuity management to evaluate disaster recovery solutions are a Recovery Time Objective (RTO), which is the target time between a system disaster and the time when the system is again operational, and a Recovery Point Objective (RPO), is a time representation of the possible data loss that occurred as a result of the recovery from the unexpected event.

Lync Online has set an RPO and RTO for client messaging services in the event of a disaster:

 30 minutes RPO: Microsoft protects your Lync Online data and makes a nearly instantaneous copy of your data locally. Data replicated across data centers may experience delay of up to 30 minutes.

 3 hours RTO: Organizations will be able to resume service within 3 hours after service disruption if a disaster incapacitates a data center.

The following conditions apply to service continuity management:

 See the Office 365 Identity Service Description for recovery times and other details related to sign-in and provisionsign-ing of new users and new tenants.

 Client access after recovery from a service disruption typically does not require reconfiguration on the part of Lync Online subscribers.

 To achieve the stated recovery times, customer networking infrastructure must honor the DNS record Time to Live (TTL) of 10 minutes. Customers that have customized their DNS infrastructure settings and set a longer TTL may experience longer recovery times.

 After RPO and RTO objectives are met, there is a period of time before full data center

redundancy is restored for the service. For example, data center 1 fails but services are restored by resources in Data Center 2 there may be a period of time until services in Data Center 2 have service continuity support either by restored resources in Data Center 1 or new resources in Data Center 3. Service level agreements apply during this time.

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Appendix A: Lync 2010 System Requirements

Table 7 contains the minimum hardware and software requirements for the Lync 2010 client. Table 7: Hardware and software requirements for Lync 2010

System component Minimum requirement

Operating system  Windows 7 32-bit operating system.

 Windows Vista 32-bit operating system.

 Windows XP Professional with Service Pack 2 (SP2). Windows Installer 3.1 and Microsoft Core XML services (MSXML) 6.0 SP1 must be installed before deploying Lync 2010.

Computer/processor  Data and voice: 1 gigahertz (GHz) or higher processor; 2 GHz 32-bit or 64-bit processor recommended.

 For video: Dual Core 1.9 GHz or higher for VGA; Quad Core 2.0 GHz or higher for High Definition.

 For the Microsoft RoundTable™ conferencing device: 2 GHz or higher. Display resolution 1024x768 required

Graphics hardware  Support for Microsoft DirectX 9 application programming interface

 128 MB of graphics memory (minimum)

 Microsoft Windows Display Driver Model driver

 Pixel Shader 2.0 in hardware

 32 bits per pixel

Memory 1 GB of RAM (2 GB recommended).

Telephony Microphone and speakers, headset with microphone, or equivalent device. Video source USB 2.0 video camera or RoundTable device.

Bandwidth requirements  Data: 56 kbps (minimum); 56 kbps (high-quality).

 Voice: 50 kbps (minimum); 80 kbps (high-quality).

 Video: 50 kbps (minimum); 250 kbps for CIF, 600 kbps for VGA, 1.5 Mbps for High Definition (high-quality).

 RoundTable device: 50 kbps (minimum); 250 kbps (high-quality). The required and recommended bandwidth speeds are cumulative. For example, to use voice, webcam, and the RoundTable device, the minimum bandwidth would be 50+50+50=150 kbps.

Other requirements*  Microsoft Core XML services (MSXML) 6.0 SP1 must be installed before installing Lync 2010.

 Outlook 2010/Office Outlook 2007 and Exchange Server 2010/2007 or Exchange Online are required for Outlook interoperability options.

 For interoperability with Microsoft Office to work correctly, users may need to install an update to Outlook 2007. For details about the Outlook update, see Microsoft Knowledge Base article 936864, "Description of the 2007 Office hotfix package" at

http://go.microsoft.com/fwlink/?LinkID=143112.

Installation and updates Administrator privileges or, in Standard User mode, administrator credentials.

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Appendix B: Feature Comparison Matrix

Table 8 compares the current feature availability across delivery models for Lync Server (on-premises), Microsoft Office Communications Online, and Lync Online

Table8. Feature comparison matrix

Features Lync Server 2010 Office

Communications Online

Lync Online

IM/presence and Lync-to-Lync calls

1-to-1 and multiparty IM/presence Yes Yes Yes

Address book search Yes Yes Yes

DL expansion (DLX) Yes Yes Yes

File transfers Yes Yes (inside firewall only)

Yes Lync-to-Lync audio/video calls Yes Yes (inside

firewall only)

Yes Lync-to-Lync high definition video Yes No No Presence and click-to-Lync from

Office Apps

Yes Yes Yes

Interactive contact card in Office 2010

Yes No Yes

Lync Skill Search in SharePoint Server (on-premise)

Yes No No

Lync Skill Search in SharePoint Online

No No No

Persistent Group Chat Yes No No

Privacy mode Yes No No

Lync external connectivity (federation and Public IM connectivity)

IM/presence/audio/video federation with other OCS/Lync Server/Lync Online organizations

Yes No Yes

IM/presence/audio/video with Windows Live Messenger

Yes No Yes

IBM Sametime federation Yes No No

IM/presence federation with XMPP networks (Jabber, Google Talk)

Yes No No

IM/presence with AOL, Yahoo Yes No No

Meetings (audio/video/web conferencing)

Meeting attendee capacity 250 No 250

Desktop sharing Yes No Yes

Application sharing Yes No Yes

White boarding and annotations Yes No Yes PowerPoint upload for online

presentations

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Lync Online

Upload for other file types No No No

Multimedia content upload No No No

Polling Yes No Yes

Ad-hoc multiparty PC-based audio/video

Yes No Yes

Authenticated attendee in Lync Web App

Yes No No

Unauthenticated attendee in Lync Web App

Yes No Yes

Lync attendee client Yes No Yes

Scheduled conferences (using Outlook plug-in)

Yes No Yes

Outlook delegation for scheduling

meetings Yes No Yes

Support for RoundTable device Yes No Yes

Lobby Yes No Yes

Interoperability with certified partners for dial-in audio conferencing (ACP)

No No Yes

Phone dial-out from scheduled meetings via third-party dial-in conferencing service

No No Yes

Client side recording and playback Yes No No Server-side recording and playback No No No Generate a link to a scheduled

meeting via web page

No No No

Scheduling an online meeting in Outlook Web App

No No No

Native dial-in audio conferencing on Lync server

Yes No No

Screen Snapshot (Desktop Annotation)

No No No

Backstage/Content Preview for presenters

Yes No Yes

Mute all attendees Yes No Yes

Mute individual attendees Yes No Yes

Unmute all attendees Yes No Yes

Unmute individual attendees Yes No Yes In-meeting attendee permission

controls

Yes No Yes

Interoperability with on-premises

video conferencing systems Yes No No

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Lync Online

Lync-to-phone (calls with landlines and mobile phones)

Yes No No

Call hold/retrieve Yes No No

Dial-out from ad-hoc Lync meetings

Yes No No

Advanced call controls (transfer, forward, simul-ring)

Yes No No

Access to Exchange Online voicemail

Yes No No

Team call Yes No No

Delegation (boss-admin) for Voice Yes No No

Call park Yes No No

Outgoing DID manipulation Yes No No

E-911 Yes No No

Dial plans and policies Yes No No

IP desk phone support Yes No No

Resilient branch office appliance Yes No No Call Admissions Control (CAC) Yes No No Support for analog devices (such as

FAX)

Yes No No

Response groups Yes No No

Private Line (secondary DID for executives)

Yes No No

Interoperability with third-party PBX or trunks

Yes No No

Presence interoperability with third-party PBX

No No No

RCC (click-to-call) with on-premises PBX

Yes No No

Malicious call trace Yes No No

Unassigned number Yes No No

Network QoS - DSCP Yes No No

Media path optimization Yes No No

Phone number management Yes No No

CDR and billing reporting Yes No No Integration with call center

solutions (Aspect)

Yes No No

Client support

Lync 2010 Yes No Yes

Lync Web App for participating in scheduled meetings

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Lync Online

Lync 2010 Attendee client (joining meetings)

Yes No Yes

Communicator for Mac client Yes No No Office Communicator Web Access

(2007 R2) client

Yes No No

Office Communicator 2007 R2 client

Yes Yes No

Lync 2010 Phone Edition (Lync-based IP phones)

Yes No No

Lync 2010 Attendant client (receptionist rich client)

Yes No No

Communicator Mobile (Windows Phones 6.x)

Yes No No

Lync 2010 Mobile client No (coming soon) No No (coming soon) IM and media encryption Yes Yes Yes

IM filtering Yes Yes Yes

Anti-malware scanning for meeting content and file transfers

Yes (partner solutions)

No No

IM archiving (server side) Yes No No

Exchange/SharePoint interoperability

Presence interoperability with Exchange and SharePoint on-premises

Yes Yes Yes

Presence interoperability with Exchange Online and SharePoint Online

Yes Yes Yes

Unified Messaging interoperability with Exchange Online

Yes No No

Unified Messaging interoperability with Exchange on-premises

Yes No No

Lync Online and Lync on-premises, and administration

Server/cloud coexistence (split domain) on user basis (some users on-premises, some users online)

No No No

Splitting workloads (for example, IM/presence/voice on-premises, conferencing in the cloud)

No No No

PowerShell support Yes No No

Bigfin (web) UI Yes No No

Attendee/user reporting No No No

Reporting (CDR, QoE) Yes No No

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Lync Online

Client-side APIs Yes No Yes

Microsoft Lync Online for Enterprises